/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.performance;

import java.util.Properties;

import cgl.narada.util.webserver.WebCGI;

/**
 * Title:
 * Description:
 * Company:
 * @author John Yin
 * @version 1.0
 */

public class ConfigCGI extends BaseCGI implements WebCGI {

    private PerformanceMeasurement m_measure = null;
    private String m_url = null;

    /**
     * --------------------------------------------------------------
     */
    public ConfigCGI(String url,PerformanceMeasurement measurement) {
        super("Monitoring Configuration");
        m_measure = measurement;
        m_url = url;
    }

    /**
     * --------------------------------------------------------------
     */
    public String execute(Properties parameters) {
        String submit = parameters.getProperty("SUBMIT");
        if (submit != null) {
            long maxInterval = m_measure.getMaxStatusInterval();
            long minInterval = m_measure.getMinStatusInterval();

            try {
                String maxStr = parameters.getProperty("maxInterval");
                maxInterval = Long.parseLong(maxStr);
            } catch (Exception e) {
            }

            try {
                String minStr = parameters.getProperty("minInterval");
                minInterval = Long.parseLong(minStr);
            } catch (Exception e) {
            }

            if (maxInterval < minInterval) {
                maxInterval = minInterval;
            }

            m_measure.setMaxStatusInterval(maxInterval);
            m_measure.setMinStatusInterval(minInterval);
        }
        return displayForm();
    }

    /**
     * --------------------------------------------------------------
     */
    private String displayForm() {
        StringBuffer buf = new StringBuffer(5000);

        long maxInterval = m_measure.getMaxStatusInterval();
        long minInterval = m_measure.getMinStatusInterval();

        buf.append(getHeader());

        buf.append("<FORM ACTION='");
        buf.append(m_url);
        buf.append("' METHOD='GET'>");

        buf.append("<table border='0' cellspacing='0' cellpadding='2' width='100%'>");

        buf.append("<tr>");
        buf.append("<td align='right' class='normal'>Starting Measurement Interval: </td>");
        buf.append("<td class='normal'><INPUT TYPE='text' name='minInterval' value='");
        buf.append(minInterval);
        buf.append("' class='normal'> ms</td>");
        buf.append("</tr>");

        buf.append("<tr>");
        buf.append("<td align='right' class='normal'>Maximum Measurement Interval: </td>");
        buf.append("<td class='normal'><INPUT TYPE='text' name='maxInterval' value='");
        buf.append(maxInterval);
        buf.append("' class='normal'> ms</td>");
        buf.append("</tr>");

        buf.append("<tr><td class='normal' colspan='2' align='center'>");
        buf.append("<INPUT TYPE='SUBMIT' name='SUBMIT' value='Update'></td>");

        buf.append("</tr></table></FORM>");

        buf.append(getFooter());
        return buf.toString();
    }
}
